CN116750556A

CN116750556A - PET double-sided tape production winding device

Info

Publication number: CN116750556A
Application number: CN202310882586.8A
Authority: CN
Inventors: 易文印; 龚雨润; 易小榕
Original assignee: Dongtai Guanbo Adhesive Technology Co ltd
Current assignee: Dongtai Guanbo Adhesive Technology Co ltd
Priority date: 2023-07-19
Filing date: 2023-07-19
Publication date: 2023-09-15

Abstract

The application discloses a coiling device for producing PET double-sided adhesive tape, which comprises a coiling disk, wherein a driving shaft connected with a driving source is fixedly connected to the coiling disk, and two rotatable rotating drums are arranged on the coiling disk in a penetrating manner; the two rotating cylinders are respectively provided with an inserting hole, winding shafts are respectively inserted into the two rotating cylinders, and the two winding shafts are respectively fixed on the rotating cylinders through two fixing assemblies; the winding disc is connected with two symmetrical driving assemblies, and the two driving assemblies are respectively attached to the winding shaft; two symmetrical blocking components are connected to the winding shaft. The device can automatically take down the adhesive tape roll from the reel, so that a worker is not required to manually take down the adhesive tape roll, and meanwhile, the worker is not required to manually install the inner ring of the adhesive tape, so that the working content of the worker is further reduced, the production efficiency of the device is indirectly improved, and the practicability of the device is further improved.

Description

PET double-sided tape production winding device

Technical Field

The application relates to the technical field of PET double-sided tape production, in particular to a coiling device for PET double-sided tape production.

Background

The PET double-sided adhesive tape is generally transparent and black, the thickness specification is 0.03-0.25MM, the PET double-sided adhesive tape is suitable for a wider temperature range and a severe environment, and is prepared by coating the PET double-sided acrylic acid adhesive tape, the color of the PET double-sided adhesive tape is generally transparent and black, and the common thickness specification is as follows: 0.03-0.25MM, has good dimensional stability, thermal stability and chemical stability, good initial viscosity and holding viscosity, is easy to die-cut and process, and has good viscosity for plastics, rubber and nameplates; the method can be suitable for a wider temperature range and a severe environment; the long-term temperature resistance is 100-120 ℃, and the short-term temperature resistance can reach 140-200 ℃.

In actual conditions, in the process of producing the PET double faced adhesive tape, the PET double faced adhesive tape needs to be wound before the PET double faced adhesive tape winding drum is cut, so that the PET double faced adhesive tape is wound on the PET double faced adhesive tape cylinder, the actual use requirement of the PET double faced adhesive tape is met, in the process of winding the PET double faced adhesive tape, a worker is required to manually replace the PET double faced adhesive tape cylinder, at the moment, the worker is required to insert the PET double faced adhesive tape cylinder on a winding shaft, and therefore normal winding of the PET double faced adhesive tape is guaranteed, but the operation is too complicated in the actual operation, the operation of the worker is inconvenient, and the production efficiency of the PET double faced adhesive tape is further reduced.

We have therefore proposed a PET double-sided tape production winding device to solve the above problems.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present application provides a device for producing and winding a PET double-sided tape, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present application provides the following technical solutions: the coiling device for producing the PET double-sided adhesive tape comprises a coiling disc, wherein a driving shaft connected with a driving source is fixedly connected to the coiling disc, and two rotatable rotating drums are arranged on the coiling disc in a penetrating manner; the two rotating cylinders are respectively provided with an inserting hole, winding shafts are respectively inserted into the two rotating cylinders, and the two winding shafts are respectively fixed on the rotating cylinders through two fixing assemblies; the winding disc is connected with two symmetrical driving assemblies, and the two driving assemblies are respectively attached to the winding shaft; two symmetrical blocking components are connected to the winding shaft, and the two blocking components are respectively positioned at one sides of the two rotating cylinders; and a bearing assembly is arranged at one side below the winding disc.

The device can automatically take down the adhesive tape roll from the reel, so that a worker is not required to manually take down the adhesive tape roll, and meanwhile, the worker is not required to manually install the inner ring of the adhesive tape, so that the working content of the worker is further reduced, the production efficiency of the device is indirectly improved, and the practicability of the device is further improved.

In a preferred embodiment, a fixed rod is fixedly connected to the winding disc, one end of the fixed rod is fixedly connected with a first motor, a driving shaft of the first motor is fixedly connected with a first rotating shaft, a first gear is coaxially and fixedly connected to the side wall of the first rotating shaft, and a second gear meshed with the first gear is coaxially and fixedly connected to the side wall of the rotating drum. The fixed subassembly includes a vertical section of thick bamboo of fixed connection on a rotation section of thick bamboo, the interior top fixedly connected with magnet of vertical section of thick bamboo, the lower terminal surface fixedly connected with dead lever of magnet, fixedly connected with solid fixed ring on the lateral wall of vertical section of thick bamboo, gu fixed ring's up end fixedly connected with electromagnetic ring. The jack is located the below of dead lever, be equipped with on the spool with dead lever assorted through-hole, and the through-hole is located the below of jack, the top part material of chimney is iron.

Wherein when first motor work, can make it assorted rotating cylinder normal rotation, simultaneously under the assistance of dead lever, can make the winding spool that inserts in the rotating cylinder normally rotate, further can make the winding spool normally wind the adhesive tape to guaranteed the normal use of device, indirect improvement the practicality of device.

In a preferred implementation mode, the driving assembly comprises two electric sliding rails fixedly connected to the winding disc, two electric sliding blocks matched with the electric sliding rails are connected to the electric sliding rails in a sliding mode, a supporting frame is fixedly connected to the electric sliding blocks, two supporting frames are fixedly connected to one ends of the supporting frames, second motors are fixedly connected to one ends of the supporting frames, second rotating shafts are fixedly connected to driving shafts of the second motors, driving wheels are fixedly connected to one ends of the second rotating shafts in a coaxial mode, and the driving wheels are respectively attached to the winding disc. The driving wheel comprises a rubber wheel, a plurality of groups of springs are fixedly connected to the side wall of the rubber wheel, one ends of the springs are fixedly connected with rubber rings, friction surfaces are arranged on the rubber rings, a plurality of guide rods are fixedly connected to the rubber rings, a plurality of guide holes matched with the guide rods are formed in the rubber wheel, and one ends of the guide rods extend into the guide holes respectively.

When the electric sliding rail works, the rubber wheel is attached to the winding shaft, and when the second motor works, the winding shaft can move to one side, so that the winding shaft can move out of the rotating cylinder, the winding shaft and the adhesive tape roll can be separated, the device can further complete separation work, and the practicality of the device is indirectly improved.

In a preferred embodiment, the blocking assembly comprises a connecting rod fixedly connected to the winding disc, one end of the connecting rod is fixedly connected with a blocking ring, two rubber clamping pads are fixedly connected to the inner side wall of the blocking ring, a first magnetic ring is fixedly connected to the inner side wall of the blocking ring, a second magnetic ring is arranged on one side of the first magnetic ring, a mounting ring is fixedly connected to the side wall of the second magnetic ring, and a plurality of blocking plates are fixedly connected to the side wall of the mounting ring.

Under the assistance of the blocking plate and the blocking ring, the adhesive tape roll can be limited when moving around the scroll, so that normal separation of the adhesive tape roll and the scroll is ensured, and workers can replace different blocking plates according to actual conditions, so that the practicability of the device is further improved.

In a preferred implementation mode, the bearing assembly comprises two lifters arranged on one side of the winding disc, two bearing seats are fixedly connected to the lifters, the same rotating rod is arranged on the bearing seats in a penetrating mode, the bearing cylinder is sleeved on the rotating rod, and a third motor is fixedly connected to the driving end of the rotating rod. The bearing cylinder comprises a bearing groove, two clamping cavities are formed in the inner side wall of the bearing groove, electromagnetic plates are fixedly connected to the inner side wall of each clamping cavity, moving plates are arranged in the clamping cavities, each moving plate is fixedly connected with a magnetic plate matched with the corresponding electromagnetic plate, clamping blocks are fixedly connected to the moving plate, and two symmetrical stop blocks are fixedly connected to the side wall of each clamping cavity.

Wherein after the adhesive tape roll is accomplished with the spool separation, the adhesive tape roll can directly drop in the loading groove, when the grip block removes simultaneously, can also make things convenient for the staff to insert the adhesive tape reel in the spool, further reduced staff's work load, indirect improvement staff's work efficiency.

The application has the technical effects and advantages that:

1. the device can realize automatic separation of the winding shaft and the adhesive tape roll, so that manual separation of workers is not needed, and meanwhile, after the winding shaft is separated from the adhesive tape roll, the winding shaft and a new adhesive tape roll can be repeatedly installed together, so that the operating steps of the workers are further reduced, an automatic program is formed, the working efficiency of the workers is further improved, and the production efficiency of the device is indirectly improved.

2. The bearing assembly in the device can bear the adhesive tape roll and the detached adhesive tape roll, further facilitates the staff to carry out post-treatment on the adhesive tape roll, simultaneously facilitates the staff to install the new adhesive tape roll, meets the actual demand of double faced adhesive tape production of the device, indirectly improves the production efficiency of the double faced adhesive tape, and further improves the practicability of the device.

Drawings

FIG. 1 is a schematic diagram of the structure of the present application;

FIG. 2 is a schematic view of a first partial connecting structure according to the present application;

FIG. 3 is a schematic view of a second partial connecting structure according to the present application;

FIG. 4 is a schematic view of a third partial connecting structure according to the present application;

FIG. 5 is a schematic diagram of a connection structure of a driving assembly according to the present application;

FIG. 6 is a schematic view of a connection structure of a driving wheel according to the present application;

FIG. 7 is a schematic view of the connection structure of the blocking assembly according to the present application;

FIG. 8 is a schematic view of a connection structure of a bearing assembly according to the present application;

fig. 9 is a schematic view of a partial connection structure of a carrier according to the present application.

The reference numerals are: 1 reel, 2 drive shaft, 3 rotary cylinder, 31 fixed rod, 32 first motor, 33 first rotating shaft, 34 first gear, 35 second gear, 4 jack, 5 reel, 6 fixed component, 61 vertical cylinder, 62 magnet, 63 fixed rod, 64 fixed ring, 65 electromagnetic ring, 7 drive component, 71 electric slide rail, 72 electric slide block, 73 support frame, 74 second motor, 75 second rotating shaft, 76 drive wheel, 761 rubber wheel, 762 spring, 763 rubber ring, 764 guide rod, 765 guide hole, 8 blocking component, 81 blocking ring, 82 rubber clamping pad, 83 first magnetic ring, 84 second magnetic ring, 85 mounting ring, 86 blocking plate, 87 connecting rod, 9 bearing component, 91 lifter, 92 bearing seat, 93 rotating rod, 94 third motor, 95 bearing cylinder, 951 clamping cavity, 952 electromagnetic plate, 953 moving plate, 954 magnetic plate, 955 clamping block, 956 block.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Referring to fig. 1 and 2, a device for producing and winding a PET double-sided adhesive tape comprises a winding reel 1, wherein a driving shaft 2 connected with a driving source is fixedly connected to the winding reel 1, and particularly, the driving shaft on the winding reel 1 is connected with a motor, so that the winding reel 1 can rotate along with the driving shaft, and the normal winding operation of the PET double-sided adhesive tape is further ensured, wherein the winding reel 1 is arranged on a winding machine, which is the prior art, and is not excessively stated herein.

Referring to fig. 3, two rotatable rotating drums 3 are provided on the winding drum 1 in a penetrating manner, a fixing rod 31 is fixedly connected to the winding drum 1, one end of the fixing rod 31 is fixedly connected to a first motor 32, a driving shaft of the first motor 32 is fixedly connected to a first rotating shaft 33, a first gear 34 is coaxially and fixedly connected to a side wall of the first rotating shaft 33, and a second gear 35 meshed with the first gear 34 is coaxially and fixedly connected to a side wall of the rotating drum 3.

In practice, when the first motor 32 is operated, the first shaft 33 is rotated, the first gear 34 is further rotated, and the first gear 34 is meshed with the second gear 35, so that the rotary drum 3 is rotated.

Referring to fig. 4, the two rotating drums 3 are provided with insertion holes 4, the insertion holes 4 are located below the fixing rods 63, through holes matched with the fixing rods 63 are formed in the winding shafts 5, the through holes are located below the insertion holes 4, the fixing rods 63 can enter the winding shafts 5, the winding shafts 5 and the rotating drums 3 can be further fixed together, the winding shafts 5 are inserted into the two rotating drums 3, the two winding shafts 5 are respectively fixed on the rotating drums 3 through two fixing assemblies 6, the fixing assemblies 6 comprise vertical drums 61 fixedly connected to the rotating drums 3, the inner top ends of the vertical drums 61 are fixedly connected with magnets 62, the lower end faces of the magnets 62 are fixedly connected with the fixing rods 63, the side walls of the vertical drums 61 are fixedly connected with fixing rings 64, the upper end faces of the fixing rings 64 are fixedly connected with electromagnetic coils 65, the top end portions of the vertical drums 61 are made of iron, and the magnets 62 are not operated when being close to the tops of the vertical drums 61, the magnetic coils 65 can be fixed, and the fixing rods 63 can be further limited.

In actual operation, when the electromagnetic coil 65 works, the electromagnetic coil 65 can generate magnetic force, the magnet 62 can further move downwards along with the magnetic coil 65, so that the fixing rod 63 can enter the through hole, the winding shaft 5 can further rotate along with the fixing rod, the winding shaft 5 can further normally perform winding work, meanwhile, when the electromagnetic coil 65 generates opposite magnetic force, the magnet 62 can further move away from the electromagnetic coil 65, and after the magnet 62 moves to a proper position, the magnet 62 can be limited with the aid of the vertical cylinder 61, the fixing rod 63 can further move away from the winding shaft 5, and the winding shaft 5 can be moved out of the rotating cylinder 3.

Referring to fig. 5, two symmetrical driving components 7 are connected to the winding reel 1, the driving components 7 comprise two electric sliding rails 71 fixedly connected to the winding reel 1, two electric sliding rails 71 are respectively and slidably connected with two matched electric sliding blocks 72, when the electric sliding rails 71 and the electric sliding blocks 72 work, driving wheels 76 can move to appropriate positions along with the electric sliding rails, supporting frames 73 are respectively and fixedly connected to the two electric sliding blocks 72, one ends of the two supporting frames 73 are respectively and fixedly connected with a second motor 74, driving shafts of the two second motors 74 are respectively and fixedly connected with a second rotating shaft 75, one ends of the two second rotating shafts 75 are respectively and coaxially fixedly connected with driving wheels 76, the two driving wheels 76 are respectively attached to the winding reel 5, and the two driving components 7 are respectively attached to the winding reel 5.

In actual operation, the controller can drive the electric slide rail 71 according to actual conditions, when the electric slide rail 71 works, the electric slide block 72 can move along with the electric slide rail, so that the driving wheel 76 can be attached to the winding shaft 5, then the controller starts the second motor 74, when the second motor 74 works, the second rotating shaft 75 can rotate along with the second motor, so that the driving wheel 76 can rotate along with the second rotating shaft, and when the driving wheel 76 rotates, the winding shaft 5 can move out of the rotating cylinder 3 along with the rotating cylinder, so that the winding shaft 5 is separated from the adhesive tape roll.

Referring to fig. 6, the driving wheel 76 includes a rubber wheel 761, a plurality of groups of springs 762 are fixedly connected to a side wall of the rubber wheel 761, one ends of the plurality of groups of springs 762 are fixedly connected to a rubber ring 763, friction surfaces are arranged on the plurality of rubber rings 763, a plurality of guide rods 764 are fixedly connected to the plurality of rubber rings 763, a plurality of guide holes 765 matched with the guide rods 764 are formed in the rubber wheel 761, movement of the rubber ring 763 is more stable with the aid of the guide rods 764 and the guide holes 765, deflection of the rubber ring 763 is avoided, and one ends of the plurality of guide rods 764 extend into the guide holes 765 respectively.

In actual operation, when the driving wheel 76 is attached to the winding shaft 5, the rubber ring 763 can be attached to the winding shaft 5, meanwhile, under the assistance of the spring 762, the rubber ring 763 can be attached to the winding shaft 5 fully, and the friction force between the rubber ring 763 and the winding shaft 5 is further increased, so that when the driving wheel 76 rotates, the movement of the winding shaft 5 can be smoother, and the winding shaft 5 can be separated from the adhesive tape roll further.

Referring to fig. 7, two symmetrical blocking components 8 are connected to the winding shaft 1, the blocking components 8 include a connecting rod 87 fixedly connected to the winding shaft 1, one end of the connecting rod 87 is fixedly connected with a blocking ring 81, two rubber clamping pads 82 are fixedly connected to the inner side wall of the blocking ring 81, wherein, it is particularly noted that the width of the second magnetic ring 84 is slightly larger than the distance between the two rubber clamping pads 82, the rubber clamping pads 82 have a certain contractility, so that the stability of the second magnetic ring 84 is better, a first magnetic ring 83 is fixedly connected to the inner side wall of the blocking ring 81, a second magnetic ring 84 is arranged on one side of the first magnetic ring 83, a mounting ring 85 is fixedly connected to the side wall of the second magnetic ring 84, a plurality of blocking plates 86 are fixedly connected to the side wall of the mounting ring 85, and the two blocking components 8 are respectively positioned on one sides of the two rotating drums 3.

In actual operation, a user can select blocking plates 86 with different lengths according to actual conditions, and then the user inserts the second magnetic ring 84 into the blocking ring 81, so that the two rubber clamping pads 82 clamp the second magnetic ring 84 and simultaneously can magnetically connect the first magnetic ring 83 and the second magnetic ring 84, thereby increasing the stability of the blocking plates 86, and the blocking plates 86 can limit the adhesive tape roll, so that the winding reel 5 and the adhesive tape roll are separated, and the normal use of the device is ensured.

Referring to fig. 8 and 9, a carrying component 9 is disposed around one side below the reel 1, the carrying component 9 includes two lifters 91 disposed around one side of the reel 1, wherein it is noted that the lifters 91 are lifting devices, which is not stated in the prior art, in which lifting devices in the prior art can replace the lifters 91, bearing seats 92 are fixedly connected to the two lifters 91, the two bearing seats 92 are all provided with the same rotating rod 93 in a penetrating manner, the rotating rod 93 is sleeved with a carrying cylinder 95, a driving end of the rotating rod 93 is fixedly connected with a third motor 94, and it is noted that the third motor 94 is operated to enable the carrying cylinder 95 to rotate along with the rotating rod, so that different carrying grooves can be conveniently used by the device, the carrying cylinder 95 includes carrying grooves, two clamping cavities 951 are disposed on inner side walls of the carrying grooves, electromagnetic plates 952 are fixedly connected to inner side walls of the two clamping cavities 951, moving plates 953 are disposed in the two clamping cavities 951, two moving plates 953 are fixedly connected to two side walls 954, and two clamping blocks 956 are fixedly connected to two side walls 954 and two clamping blocks 954 are fixedly connected to two side walls 954.

In actual operation, the carrying drum 95 is located below one side of the center of the winding disc 1, so when the adhesive tape roll needs to be separated, the carrying groove is located below the adhesive tape roll, after the adhesive tape roll is separated, the adhesive tape roll falls into the carrying groove, when a worker needs to install the adhesive tape roll, the adhesive tape roll can be directly placed into the carrying groove, then the lifter 91 is started, so that the adhesive tape roll is located at a proper position, then the controller starts the electromagnetic plate 952, with the aid of the magnetic plate 954, the moving plate 953 moves along with the adhesive tape roll, the clamping block 955 can move, the clamping block 955 can be attached to the adhesive tape roll, the adhesive tape roll can be limited, then when the winding roll 5 moves, the winding roll 5 can be inserted into the adhesive tape roll, the adhesive tape roll is installed, the worker is further facilitated, and the work efficiency of the worker is indirectly improved.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the application is not intended to limit the application to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the application are intended to be included within the scope of the application.

Claims

1. The utility model provides a PET double-sided tape production coiling device, includes coiling dish (1), fixedly connected with on coiling dish (1) with drive shaft (2) that the actuating source is connected, its characterized in that; two rotatable rotating drums (3) are arranged on the winding disc (1) in a penetrating manner;

the two rotating cylinders (3) are respectively provided with an inserting hole (4), winding shafts (5) are respectively inserted into the two rotating cylinders (3), and the two winding shafts (5) are respectively fixed on the rotating cylinders (3) through two fixing assemblies (6);

two symmetrical driving assemblies (7) are connected to the winding disc (1), and the two driving assemblies (7) are respectively attached to the winding shaft (5);

two symmetrical blocking components (8) are connected to the winding shaft (1), and the two blocking components (8) are respectively positioned at one side of the two rotating cylinders (3);

a bearing component (9) is arranged on one side below the winding disc (1).

2. The PET double-sided tape production winding device according to claim 1, wherein: the utility model discloses a reel, including reel (1), reel (1) is last fixedly connected with dead lever (31), the one end fixedly connected with first motor (32) of dead lever (31), the first pivot (33) of drive shaft fixedly connected with of first motor (32), coaxial fixedly connected with first gear (34) on the lateral wall of first pivot (33), coaxial fixedly connected with and first gear (34) engaged with second gear (35) on the lateral wall of rotating cylinder (3).

3. The PET double-sided tape production winding device according to claim 1, wherein: the fixed assembly (6) comprises a vertical cylinder (61) fixedly connected to the rotating cylinder (3), a magnet (62) is fixedly connected to the inner top end of the vertical cylinder (61), a fixed rod (63) is fixedly connected to the lower end face of the magnet (62), a fixed ring (64) is fixedly connected to the side wall of the vertical cylinder (61), and an electromagnetic coil (65) is fixedly connected to the upper end face of the fixed ring (64).

4. A PET double-sided tape production winding device according to claim 3, characterized in that: the jack (4) is located below the fixed rod (63), a through hole matched with the fixed rod (63) is formed in the winding shaft (5), the through hole is located below the jack (4), and the top end portion of the vertical cylinder (61) is made of iron.

5. The PET double-sided tape production winding device according to claim 1, wherein: the driving assembly (7) comprises two electric sliding rails (71) fixedly connected to a winding disc (1), two electric sliding blocks (72) matched with the electric sliding rails are fixedly connected to the electric sliding rails (71) in a sliding manner, a supporting frame (73) is fixedly connected to the electric sliding blocks (72), a second motor (74) is fixedly connected to one end of the supporting frame (73), a second rotating shaft (75) is fixedly connected to the driving shaft of the second motor (74), driving wheels (76) are fixedly connected to one end of the second rotating shaft (75) in a coaxial manner, and the driving wheels (76) are respectively attached to the winding disc (5).

6. The PET double-sided tape production winding device according to claim 5, wherein: the driving wheel (76) comprises a rubber wheel (761), a plurality of groups of springs (762) are fixedly connected to the side wall of the rubber wheel (761), one ends of the springs (762) are fixedly connected with rubber rings (763), friction surfaces are arranged on the rubber rings (763), a plurality of guide rods (764) are fixedly connected to the rubber rings (763), a plurality of guide holes (765) matched with the guide rods (764) are formed in the rubber wheel (761), and one ends of the guide rods (764) extend into the guide holes (765) respectively.

7. The PET double-sided tape production winding device according to claim 1, wherein: the blocking assembly (8) comprises a connecting rod (87) fixedly connected to a winding disc (1), one end of the connecting rod (87) is fixedly connected with a blocking ring (81), two rubber clamping pads (82) are fixedly connected to the inner side wall of the blocking ring (81), a first magnetic ring (83) is fixedly connected to the inner side wall of the blocking ring (81), a second magnetic ring (84) is arranged on one side of the first magnetic ring (83), a mounting ring (85) is fixedly connected to the side wall of the second magnetic ring (84), and a plurality of blocking plates (86) are fixedly connected to the side wall of the mounting ring (85).

8. The PET double-sided tape production winding device according to claim 1, wherein: the bearing assembly (9) comprises two lifters (91) arranged on one side of a winding disc (1), bearing blocks (92) are fixedly connected to the lifters (91), the same rotating rod (93) is arranged on the bearing blocks (92) in a penetrating mode, a bearing cylinder (95) is sleeved on the rotating rod (93), and a third motor (94) is fixedly connected to the driving end of the rotating rod (93).

9. The PET double-sided tape production winding device according to claim 8, wherein: the bearing cylinder (95) comprises a bearing groove, two clamping cavities (951) are formed in the inner side wall of the bearing groove, electromagnetic plates (952) are fixedly connected to the inner side wall of each clamping cavity (951), moving plates (953) are arranged in each clamping cavity (951), magnetic plates (954) matched with the electromagnetic plates (952) are fixedly connected to the moving plates (953), clamping blocks (955) are fixedly connected to the moving plates (953), and two symmetrical stop blocks (956) are fixedly connected to the side walls of the clamping cavities (951).